Fix fact_creator: correct API signatures (NVIDIA/CF/Pexels), ensure 9:16 video output

modules/fact_image/services/fact_creator.py

@@ -179,32 +179,40 @@ class FactCreator:
             full_prompt = IMAGE_SYSTEM_PROMPT.format(image_prompt=job["image_prompt"])
             
             if job["model"] == ImageModel.nvidia and self.nvidia:
+                # NVIDIA: uses aspect_ratio "9:16" internally (no width/height params)
                 self.nvidia.generate_and_save(
                     prompt=full_prompt,
-                    output_path=image_path,
-                    width=self.TARGET_WIDTH,
-                    height=self.TARGET_HEIGHT
+                    output_path=image_path
                 )
             elif job["model"] == ImageModel.cloudflare and self.cloudflare:
+                # Cloudflare: supports width/height (1080x1920)
                 self.cloudflare.generate_and_save(
                     prompt=full_prompt,
                     output_path=image_path,
-                    width=self.TARGET_WIDTH,
-                    height=self.TARGET_HEIGHT
+                    width=1080,
+                    height=1920
                 )
             elif job["model"] == ImageModel.pexels and self.pexels:
-                # Pexels uses search, not generation
-                self.pexels.search_and_download(
+                # Pexels: find_photo returns {id, url}, then download
+                photo = self.pexels.find_photo(
                     query=job["image_prompt"],
-                    output_path=image_path,
                     orientation="portrait"
                 )
+                if photo and photo.get("url"):
+                    import requests
+                    response = requests.get(photo["url"], timeout=30)
+                    response.raise_for_status()
+                    image_path.parent.mkdir(parents=True, exist_ok=True)
+                    image_path.write_bytes(response.content)
+                    logger.info(f"Downloaded Pexels photo ID {photo['id']}")
+                else:
+                    raise Exception("No suitable Pexels photo found")
             else:
                 # Fallback to any available client
                 if self.nvidia:
-                    self.nvidia.generate_and_save(full_prompt, image_path, self.TARGET_WIDTH, self.TARGET_HEIGHT)
+                    self.nvidia.generate_and_save(full_prompt, image_path)
                 elif self.cloudflare:
-                    self.cloudflare.generate_and_save(full_prompt, image_path, self.TARGET_WIDTH, self.TARGET_HEIGHT)
+                    self.cloudflare.generate_and_save(full_prompt, image_path, width=1080, height=1920)
                 else:
                     raise Exception("No image generation client available!")
             
@@ -265,12 +273,15 @@ class FactCreator:
                 shutil.rmtree(temp_dir, ignore_errors=True)
     
     async def _create_video(self, image_path: Path, output_path: Path, duration: int):
-        """Create video from single image with fade effects"""
+        """Create video from single image with fade effects (9:16 = 1080x1920)"""
         from moviepy.editor import ImageClip
         
         # Create image clip
         clip = ImageClip(str(image_path)).set_duration(duration)
         
+        # Ensure 9:16 aspect ratio (1080x1920)
+        clip = clip.resize((self.TARGET_WIDTH, self.TARGET_HEIGHT))
+        
         # Add fade in/out
         clip = clip.fadein(self.FADE_DURATION)
         clip = clip.fadeout(self.FADE_DURATION)